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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/openrisc/include/asm/syscall.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/openrisc/include/asm/syscall.h')
-rw-r--r-- | arch/openrisc/include/asm/syscall.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/syscall.h b/arch/openrisc/include/asm/syscall.h new file mode 100644 index 000000000..903ed882b --- /dev/null +++ b/arch/openrisc/include/asm/syscall.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * OpenRISC Linux + * + * Linux architectural port borrowing liberally from similar works of + * others. All original copyrights apply as per the original source + * declaration. + * + * OpenRISC implementation: + * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> + * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> + * et al. + */ + +#ifndef __ASM_OPENRISC_SYSCALL_H__ +#define __ASM_OPENRISC_SYSCALL_H__ + +#include <uapi/linux/audit.h> +#include <linux/err.h> +#include <linux/sched.h> + +static inline int +syscall_get_nr(struct task_struct *task, struct pt_regs *regs) +{ + return regs->orig_gpr11; +} + +static inline void +syscall_rollback(struct task_struct *task, struct pt_regs *regs) +{ + regs->gpr[11] = regs->orig_gpr11; +} + +static inline long +syscall_get_error(struct task_struct *task, struct pt_regs *regs) +{ + return IS_ERR_VALUE(regs->gpr[11]) ? regs->gpr[11] : 0; +} + +static inline long +syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) +{ + return regs->gpr[11]; +} + +static inline void +syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, + int error, long val) +{ + regs->gpr[11] = (long) error ?: val; +} + +static inline void +syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, + unsigned long *args) +{ + memcpy(args, ®s->gpr[3], 6 * sizeof(args[0])); +} + +static inline int syscall_get_arch(struct task_struct *task) +{ + return AUDIT_ARCH_OPENRISC; +} +#endif |